US2002227A - Bag-sewing apparatus - Google Patents

Bag-sewing apparatus Download PDF

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Publication number
US2002227A
US2002227A US646038A US64603832A US2002227A US 2002227 A US2002227 A US 2002227A US 646038 A US646038 A US 646038A US 64603832 A US64603832 A US 64603832A US 2002227 A US2002227 A US 2002227A
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US
United States
Prior art keywords
bag
needle
pin
sewing
twine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US646038A
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English (en)
Inventor
Mcalister Alexander
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US2002227A publication Critical patent/US2002227A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B13/00—Machines for sewing sacks

Definitions

  • Fig.- 3 is an end view looking in the by the stud 46.
  • a look. nut 49 fits the stud direction of the arrow A of Fig. 2;
  • Fig. 4 is a 46 to enable the link 41 and the arm 44 to be cross section on line B- C of Fig. 2;
  • Fig. 5 is a attached in relation to the stud 46.
  • Fig. 5 is a broken plan view similar to slidably? e ge a middle shouldered portion 50 Fig. 5, showing theratchetmechanism set just of atracked cam 5
  • Fig. is a fragmentary sectionon the operating arm 38 with its extension 31 is 15 line D-E of Fig. 3;
  • Fig. 8 is a detail view of a also secured by a screwed locknut 53 to an crank-pin for reciprocating the needle block of upper reduced portion 54 of the saidcam 5
  • Fig.-9 is asectional plan the'latter and the arm 38 are retained on the on line F-G otFig. 4;
  • Fig. 10 is a part secstud 52 by a nut ,55. Should the alternative tional elevation showing a twine severing knife; crank disc 42 be used to reciprocate: the needle 20 49 the guideway to receive therein a slidable formed with an eye 63.
  • Fig. 11 is a fragmentary perspective view showing block .24, the said disc is rotatably fitted on the alternative means for reciprocating the needle stud 52 and is retained thereon by the screwed block;
  • Fig. 12 is a section on line H -Iof Fig. nut 55, the tracked cam 5i being then formed 11
  • Fig. 13 is a perspective view of clamp means integralwith the crankdisc '42.
  • Fig. 14 To ensure that the arm-38 may be rotatable 25 is a perspective view of the clamp in Fig. 13 only in one direction the cam Si is formed in-' clamped to the mouth of a bag; Fig. 15 is a plan teriorlywith tapering slots. 56 (see Figs. 4 and 9') of the hinged en dof the clamp shown in Fig. 13'; in which a numberof rollers 51 are furnished to and Figs. 16. 17.18 and 19 "are diagrammatic engage and firmly lock against the stud 52 to views illustrating the formation of stitches prevent rotation of the arm 38 in a direction op 30 through operations of thebagsewing apparatus.
  • the cam 5i has formedaround its cirrame or body 20 which is formed with a U-shaped cumference a grooved cam track 58 in which a channel 2
  • a needle block 24' is slidably mountlooper during sewing operations oftheappara-tus.
  • the looper is pivoted about the screwed stud rocated therein transversely of the mouth 22 of SI which is secured to a lug 62 on the channel 2
  • There is a slotted opening 26 in the free end of the looper is .curvedand it is distance piece 21 which, together with the end Twine 64 for. sewing purposes is fed to the 28 of a cross shaped'member 29, is secured to needle 31 from and 65 carriedon a bracket 66; the needle block 24 by the screws 36.
  • a needle the latter together with a guide plate 61 are 3
  • allow the needle 3
  • more or less tension on the A roller fitted crank pin 36 is mounted on the twine reel 65 by aspring l2 which isinterposed 59 extension 31 of 'anarm 38 and it is alternately between the outer cone .69 and the wing nut H. 59
  • the stud 11 is screwed to receive a nut is which is adjustable to press the plates I6 together with varying tension through a spring I9 interposed between the nut I8 and the outer one of the plates I5.
  • the twine 64 is then passed from between the tension plates 16 to the eye 83 of the looper 69; then it is passed through one of the openings 35 of the channel 2I and inside such channel; in such position of the twine 64 sewing operations of the apparatus may then be commenced.
  • the twine 64 may be cut by a swine cutter 88 which is swingable on a pivot 8
  • the cutter B8 is adapted to pass over the opening 35 through which the twine 64 enters the channel 2! by drawing on the end a of a lever 82 (see arrow, Fig. 10) which, passes through a bracket 83 located outwardly of the channel 2
  • a downwardly projecting pin 85 which passes through alongitudinalslot 86 in the bottom of the guide way 25; such pin passes into a housing 81 in the body 29.
  • the housing 8'! is closed by a cover plate 88 having an upturned edge 89.
  • Pivotally fitted to. the cover plate 88 on a stud 9!] is a lever- 9
  • a link 93 which is pivoted at 94'to the lever 9
  • a gathering ratchet pawl 91 associated with the pivot 95 is a gathering ratchet pawl 91 which is actuated by a fixed spring 98.
  • the pawl 91 is adapted to engage with the teeth 99 of and to impel a ratchet wheel I which is firmly secured to a gear wheel II.
  • the ratchet wheel I08 and the gear wheel IIJI are rotatable about apivot I02 which is secured to the cover plate 88. Also associated with the pivot 90 of the lever 9
  • the pawl I03 is' adapted to engage with and lock the ratchet wheel H18 against reverse rotation.
  • a locking pawl I rockable about a pin I06 secured to the cover plate 88 is actuated by a pin III! in one arm of the fork 92.
  • the pin I01 is operable in a crescent shaped opening I08 in the pawl I05 so that a tooth I09 of the latter may engage or disengage .with the teeth II 0 and lock or unlock the gear wheel IOI.
  • a stop pin III ensures suflicient movement of the pawl I05 to lock the gear wheel IOI.
  • is resisted by a fixed spring H2 which is adapted to engage the inclined surface II 3 of an extension of the pivot '94 (see Fig. 4).
  • Gear wheel IIlI is adapted to engage with a rack H4 which is secured to one member H5 of a bag clamp;
  • the member H5 with rack II 4 is slidably engaged in the body 20 by a wall of the housing 8'! and the upturned edge 89 of the
  • the other clamping member H6 is slidably engaged to the body 20 by the guide plate 61.
  • the member H6 of the bag clamp is rigidly secured at one end to a plate I I "I and the other member H5 of the clamp is pivoted at H8 to the plate I ll whereby the member I I5 may be opened from the member H6 to engage the open mouth 22 of a bag 23 to be sewn.
  • a bent anchoring pin I I9 is pivotally mounted on the plate I I1 and is adapted to be moved by an abutment I29 ion the member H5 of the clamp as the latter is opened (seedotted lines, Figs. 13 and 15). Such movement of the pin I I9 ensures easy engagement of said pin with the bag 23.
  • the pin H9 is adapted to be placed in one end of the open mouth 22 of the bag 23 to be sewn, whereby said mouth of the bag 23 may be stretched before the members I I5 and I I6 are finally closed upon it.
  • are fitted in each member H5 and H6 of the clamp to ensure firm engagement of such members with the portions of the open mouth 22 of the bag 23; the ears of the latter are accommodated by recessed portions I 22' in the members I I5 and I I6.
  • a swingable stirrup I23 which is pivoted at I24 to the member II 6 is adapted to engage the other member H5 when both the latter are closed over the mouth 22 of a bag 23.
  • the sewing operations of the apparatus will now be described with reference to the diagrammatic views shown in Figs. 16 to 19 of the drawings.
  • the twine 64 having been threaded through the eye 63 of the looper 60 and through one of the openings 35 of the channel 2I, the needle 3I is moved forwardly (see arrow, Fig. 16) by operating eitherthe arm 38 or the arm 44 to pierce the mouth 22 of the bag 23.
  • the tracked cam 5I has now been rotated and the looper 60 is also moved at the completion of the forward stroke of the needle 3I to draw the twine 64 across the hook 32 of the needle 3I, (see Fig. 1'7) which hook is uncovered by the tang 33, the said uncovering taking place in the forward movement of the needle 3I through the mouth 22 of the bag 23.
  • is now moved rearwardly (see arrow, Fig. 18) to draw the twine 64 in a loop I 25'which is now covered by the tang 33 through the mouth 22 of the bag 23, and at the completion of this rearward stroke, the cam 5I rotates to move the looper 69 again to the position in Fig. 16.
  • passes through the loop I25 and the mouth 22 of the bag 23 to draw the twine 64 through the loop I25 to form an: other similar loop to the latter.
  • the downwardly projecting pin 85 of the needle block 24 operates to move the sewing apparatus step by step along the bag clamp members H5 and H6 to form chain stitches (see Fig. 19).
  • the pawl I05 operates to lock the sewing apparatus upon the clamp members H5 and H6 until such operations are completed.
  • a needle a looper, a needle-carrying block, a slotted cross-shaped member attached thereto, a one-way rotatable crank-like handle cooperating with said member to reciprocate said needle and block and positively to actuate said looper in operative relation with said needle, means for maintaining said needle stationary during the looping of twine thereabout, bagmouth clamping means comprising a toothed rack, and means for operating said sewing apparatus step by step with respect to said rack.
  • Bag sewing apparatus in which the means associated with the rotatable handle for reciprocating the needle block are associated with a one-way rotatable tracked cam which is mounted on a fixed pin, and a pin on the .twine looper is adapted to cooperate with the track of said cam to enable operation of said looper during sewing operations of theapparatus. 5.
  • the means for permitting travel of the sewing apparatus step-by-step in relation to the rack teeth of the bag clamp comprise a projecting pin from the bottom of the needle block, such pin cooperating with a pivoted forked lever carrying a pivoted link which is linked to a pivot for a toothed wheel engageable with said rack teeth, the said wheel carrying a ratchet, a spring controlled pawl for driving said wheel through said ratchet, a spring controlled pivoted pawl for said ratchet associated with the pivot for said forked lever adapted to lock said ratchet against reverse rotation, and a slotted pivoted pawl controlled through a fixed stop adapted to be moved through a projecting pin in the forked lever to lock or unlock the gear wheel cooperating with the said rack teeth.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
US646038A 1931-12-24 1932-12-07 Bag-sewing apparatus Expired - Lifetime US2002227A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU403803X 1931-12-24

Publications (1)

Publication Number Publication Date
US2002227A true US2002227A (en) 1935-05-21

Family

ID=3727583

Family Applications (1)

Application Number Title Priority Date Filing Date
US646038A Expired - Lifetime US2002227A (en) 1931-12-24 1932-12-07 Bag-sewing apparatus

Country Status (5)

Country Link
US (1) US2002227A (enrdf_load_stackoverflow)
BE (1) BE393049A (enrdf_load_stackoverflow)
DE (1) DE631591C (enrdf_load_stackoverflow)
FR (1) FR747493A (enrdf_load_stackoverflow)
GB (1) GB403803A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995018044A1 (en) * 1993-12-28 1995-07-06 Korsnäs Ab A method to close a paper sack or bag by sewing, and a bag or sack closed according to said method
US20050150570A1 (en) * 2003-12-13 2005-07-14 Vital Levesque Process and device for handling a bag during the sewing operation
FR2949124A1 (fr) * 2009-08-13 2011-02-18 Lucien Perisse Machine a coudre industrielle au point de chainette avec aiguille horizontale

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739407C (de) * 1938-02-12 1943-09-25 August Kolhosser Handbediente Sackzunaehmaschine
US2884200A (en) * 1957-10-24 1959-04-28 Ernest R Konikson Animated display

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995018044A1 (en) * 1993-12-28 1995-07-06 Korsnäs Ab A method to close a paper sack or bag by sewing, and a bag or sack closed according to said method
US20050150570A1 (en) * 2003-12-13 2005-07-14 Vital Levesque Process and device for handling a bag during the sewing operation
FR2949124A1 (fr) * 2009-08-13 2011-02-18 Lucien Perisse Machine a coudre industrielle au point de chainette avec aiguille horizontale

Also Published As

Publication number Publication date
FR747493A (fr) 1933-06-17
DE631591C (de) 1936-06-26
GB403803A (en) 1934-01-04
BE393049A (enrdf_load_stackoverflow)

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